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Finding the Fourth Proportional to 201,224.80, 301,837.20 and 148,080.70

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Solution

The fourth proportional to 201,224.80, 301,837.20 and 148,080.70 is: 222,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,224.80 : 301,837.20 = 148,080.70 : x
  2. Step 2: Convert to fraction form
    201,224.80/301,837.20 = 148,080.70/x
  3. Step 3: Cross multiply
    201,224.80x = 301,837.20 × 148,080.70
  4. Step 4: Simplify right side
    201,224.80x = 44,696,263,862.04
  5. Step 5: Solve for x
    x = 44,696,263,862.04/201,224.80
  6. Step 6: Final answer
    x = 222,121.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.